CN220793666U

CN220793666U - Drying mechanism is used in calcium carbonate production

Info

Publication number: CN220793666U
Application number: CN202322296687.5U
Authority: CN
Inventors: 宗永波
Original assignee: Changzhou Calcium Carbonate Co
Current assignee: Changzhou Calcium Carbonate Co
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-04-16
Anticipated expiration: 2033-08-25

Abstract

The utility model discloses a drying mechanism for calcium carbonate production, which comprises a frame and a drying cylinder, wherein the drying cylinder comprises the frame and the drying cylinder, a stirring mechanism for stirring calcium carbonate in the drying cylinder is arranged in the drying cylinder, the stirring mechanism comprises a crushing roller and stirring blades which are arranged in a staggered manner, a vibrating assembly is arranged at the bottom of the drying cylinder and is positioned below the stirring mechanism, the vibrating assembly comprises a vibrating plate, the vibration of the vibrating plate is utilized to loosen the calcium carbonate piled on the vibrating plate, the stirring mechanism can stir the calcium carbonate well, a heating cylinder for providing heat for the drying cylinder is further arranged on the frame, the heating cylinder is rotatably arranged on the frame, and the heating cylinder is fixedly sleeved outside the drying cylinder. The drying device has good drying effect, high drying efficiency, economy and practicability.

Description

Drying mechanism is used in calcium carbonate production

Technical Field

The utility model relates to the technical field of calcium carbonate production, in particular to a drying mechanism for calcium carbonate production.

Background

The production of calcium carbonate adopts natural limestone as raw material, and the limestone ore is treated by crushing, screening, grinding and the like to form uniform fine powder. Mixing fine powder limestone ore with high-concentration hydrochloric acid, placing the mixture into a reaction kettle for reaction, absorbing gas (carbon dioxide) generated in the reaction process into water after passing through a condenser, filtering the product in the reaction kettle to obtain liquid calcium chloride, mixing the liquid calcium chloride with sodium hydroxide solution with bubbles, and reacting to generate precipitated calcium carbonate. After the calcium carbonate is precipitated, the solvent in the reaction kettle is discharged, and the calcium carbonate ore is dehydrated to remove enough water so as to achieve the required dryness. After passing through a series of fine treatments and sieves, the calcium carbonate is fed into a packaging machine for automatic packaging and fed into a storage site for shipment.

Drying and dewatering are a very important part of the calcium carbonate production process, for example, chinese patent publication No. CN218210503U discloses a calcium carbonate drying mechanism comprising a drying drum; the turnover mechanism comprises a motor fixing seat, a driving motor, a rotating rod, an auger, a push plate, a rotating rod hole and a rotating rod limiting groove, wherein the motor fixing seat is fixedly connected to the upper end of the drying cylinder, the driving motor is fixedly connected to the inner wall of the motor fixing seat, the rotating rod hole is formed in the upper end of the drying cylinder, the rotating rod is fixedly connected to the output end of the driving motor, the auger is fixedly connected to the circumferential surface of the rotating rod, the heating ring heats the inside of the drying cylinder, then the driving motor is started to enable the auger to rotate, calcium carbonate is turned through the auger, calcium carbonate materials buried at the bottom can be turned to the upper end of the materials to be dried, calcium carbonate in the drying cylinder is uniformly heated, and the calcium carbonate at the upper end is prevented from being accumulated in a wet state after being dried.

The wet calcium carbonate is easy to agglomerate, only the calcium carbonate can be turned over by the auger, some of the agglomerated calcium carbonate is difficult to break, and meanwhile, part of the calcium carbonate can be adhered and accumulated at the bottom of the drying cylinder, so that the calcium carbonate at the bottom can be thoroughly dried in a long time, and the drying efficiency is affected; this calcium carbonate drying mechanism only heats the inside of a drying section of thick bamboo through a heating ring for the heated area of a drying section of thick bamboo is little, and its inside heat conduction is slower, and drying efficiency is lower.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: overcomes the defects of the prior art and provides a drying mechanism for calcium carbonate production, which has good drying effect, high drying efficiency, economy and practicability.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a drying mechanism for calcium carbonate production, includes frame and dry cylinder, be equipped with in the dry cylinder and be used for right the calcium carbonate in the dry cylinder turns the stirring mechanism, the stirring mechanism is including crisscross crushing roller and the stirring leaf that sets up, the bottom of dry cylinder is equipped with vibrating subassembly, just vibrating subassembly is located the below of stirring mechanism, vibrating subassembly includes the vibrating plate, utilizes the vibration of vibrating plate makes and piles up the calcium carbonate on the vibrating plate loose, and then makes the stirring mechanism can turn calcium carbonate well, still be equipped with in the frame and be used for the dry cylinder provides thermal heating cylinder, the heating cylinder rotationally installs in the frame, just the outside at the dry cylinder is established to the fixed cover of heating cylinder.

Further, the stirring mechanism comprises a rotating shaft axially arranged in the drying cylinder along the drying cylinder, the rotating shaft is rotatable relative to the drying cylinder, and the stirring blades and the crushing rollers are all arranged on the rotating shaft in a surrounding mode.

Further, the material turning mechanism further comprises a driving motor which is arranged on the drying cylinder and used for driving the rotating shaft to rotate, the driving motor is fixedly arranged at the top of the drying cylinder, and an output shaft of the driving motor penetrates through the cylinder wall of the drying cylinder, extends into the drying cylinder and is fixedly connected with the rotating shaft.

Further, the vibration assembly further comprises a vibration motor for providing power for the vibration plate, the vibration plate is of a plate-shaped structure matched with the cylinder body of the drying cylinder, and the vibration motor is fixedly installed at the bottom of the vibration plate.

Further, the heating piece is laid around the cylinder wall of the heating cylinder in a surrounding manner, so that the drying cylinder in the heating cylinder can be heated uniformly.

Further, an installation seat is arranged on the frame, an installation block corresponding to the installation seat is arranged on the heating cylinder, a pin shaft is fixedly arranged on the installation seat, and the installation block is rotatably connected with the pin shaft, so that the heating cylinder can rotate relative to the frame.

Further, a driving air cylinder for driving the heating cylinder to rotate is arranged on the frame, a cylinder body of the driving air cylinder is hinged to the frame, and an air rod of the driving air cylinder is rotatably connected with the heating cylinder, so that the heating cylinder can be driven to rotate relative to the frame when the air rod of the driving air cylinder stretches out or retracts.

Further, the top of the drying cylinder is provided with an openable baffle plate, and the baffle plate is used for closing or opening the drying cylinder.

Further, an air outlet is formed in the top of the drying cylinder, and a filter screen is arranged at the air outlet.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. in the drying process, the stirring blades turn over the calcium carbonate, and the crushing roller hits the calcium carbonate in the turning over process to crush the caked calcium carbonate, so that the drying efficiency is improved;

2. the vibrating motor drives the vibrating plate to vibrate, so that calcium carbonate which falls on the vibrating plate and cannot be stirred She Fandong is vibrated to bounce, and the phenomenon that the calcium carbonate at the bottom is greatly accumulated on the vibrating plate to influence the drying of the calcium carbonate is avoided;

3. the heating piece is laid around on the section of thick bamboo wall of heating section of thick bamboo for the drying section of thick bamboo that is located the heating section of thick bamboo can evenly be heated, and the temperature is even in the drying section of thick bamboo can be so that the calcium carbonate in the drying section of thick bamboo is heated evenly, and then improves drying efficiency.

Drawings

FIG. 1 is a schematic structural view of a drying mechanism for calcium carbonate production of the present utility model;

FIG. 2 is a schematic view of the internal structure of the drying cylinder and the heating cylinder;

fig. 3 is a schematic view of another angle of fig. 2.

Reference numerals: 1. a frame; 2. a drying cylinder; 3. a heating cylinder; 4. a material turning mechanism; 5. a vibration assembly;

6. a driving cylinder; 11. a mounting base; 21. an opening; 22. a baffle; 23. an air outlet; 24. a filter screen;

31. a heating member; 32. a mounting block; 33. a pin shaft; 41. a rotating shaft; 42. a pulverizing roller; 43. stirring the leaves;

44. a driving motor; 51. a vibration plate; 52. a vibration motor.

Detailed Description

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

As shown in fig. 1 to 3, in the present embodiment, there is provided a drying mechanism for calcium carbonate production, comprising a frame 1 and a drying drum 2, wherein a turning mechanism 4 is provided in the drying drum 2, the turning mechanism 4 is used for turning over calcium carbonate entering into the drying drum 2, accelerating drying, a vibrating component 5 is provided at the bottom of the drying drum 2, the vibrating component 5 comprises a vibrating plate 51, the calcium carbonate accumulated at the bottom of the drying drum 2 is loosened by utilizing the vibration of the vibrating plate 51, and the turning mechanism 4 is further used for turning over the calcium carbonate well, so that the calcium carbonate accumulated at the bottom of the drying drum 2 is avoided, the lower calcium carbonate cannot be dried, a heating drum 3 is further provided on the frame 1 for heating the drying drum 2, the heating drum 3 is rotatably mounted on the frame 1, and the heating drum 3 is fixedly sleeved outside the drying drum 2, and the heating drum 3 can provide uniform heat for the inside of the drying drum 2.

As shown in fig. 2-3, the stirring mechanism 4 comprises a rotating shaft 41 axially arranged in the drying cylinder 2 along the drying cylinder 2, stirring blades 43 and crushing rollers 42 are arranged on the rotating shaft 41, the stirring blades 43 and the crushing rollers 42 are circumferentially arranged on the rotating shaft 41, and the crushing rollers 42 and the stirring blades 43 are alternately arranged, the stirring mechanism 4 further comprises a driving motor 44 arranged on the drying cylinder 2 and used for driving the rotating shaft 41 to rotate, the driving motor 44 is fixedly arranged above the drying cylinder 2, an output shaft of the driving motor 44 penetrates through the top wall of the drying cylinder 2 and then extends into the drying cylinder 2 and is fixedly connected with the rotating shaft 41, in the embodiment, the driving motor 44 drives the rotating shaft 41 to rotate, the stirring blades 43 fixedly arranged on the rotating shaft 41 and the crushing rollers 42 are synchronously rotated, and the stirring blades 43 are used for stirring calcium carbonate in the drying cylinder 2 in the rotating process, so that calcium carbonate in different positions in the drying cylinder 2 are exchanged, and meanwhile, a plurality of groups of crushing blades (shown in the figure) are circumferentially arranged on the crushing rollers 42, and the crushing blades 42 can further crush calcium carbonate in the crushing process.

As shown in fig. 1-3, an opening 21 is arranged at the top of the drying cylinder 2, an openable baffle 22 is arranged at the opening 21, the baffle 22 is used for sealing or opening the drying cylinder 2, the baffle 22 can be rotatably arranged on the drying cylinder 2 through a hinge (not shown in the figure), calcium carbonate to be dried can be poured into the drying cylinder 2 after the baffle 22 is opened, then the baffle 22 is closed, a driving motor 44 is started, the driving motor 44 drives a rotating shaft 41 to rotate, a stirring blade 43 fixedly arranged on the rotating shaft 41 and a crushing roller 42 rotate along with the rotating shaft, the stirring blade 43 turns over the calcium carbonate, the calcium carbonate can impact on the crushing roller 42 in the turning over process, and the crushing roller 42 breaks up the agglomerated calcium carbonate, so that the drying effect is improved.

As shown in fig. 2-3, the vibration assembly 5 is disposed below the material turning mechanism 4, the vibration assembly 5 further includes a vibration motor 52 for providing power to the vibration plate 51, the vibration plate 51 is of a plate-like structure adapted to the cylinder body of the drying cylinder 2, and the vibration motor 52 is fixedly mounted at the bottom of the vibration plate 51. The vibrating motor 52 drives the vibrating plate 51 to vibrate, so that calcium carbonate falling on the vibrating plate 51 is vibrated to be loosened, the material stirring effect of the stirring mechanism 4 is improved, and the phenomenon that the calcium carbonate is accumulated on the vibrating plate 51 in a large amount to affect the bottom is avoided.

As shown in fig. 2-3, the heating element 31 is laid around the inner wall of the heating cylinder 3, the heating element 31 is opened, the heat provided by the heating element 31 is uniformly distributed on the inner wall of the heating cylinder 3 and is transferred to the drying cylinder 2 through the heating cylinder 3, so that the drying cylinder 2 positioned in the heating cylinder 3 can be uniformly heated, and further the heat inside the drying cylinder 2 from top to bottom is uniform and stable, the drying efficiency is further improved, in this embodiment, the heating element 31 is a heating pipe, a high-temperature resistance wire is arranged in the heating pipe, the heating pipe is electrified, and when the current passes through the high-temperature resistance wire, the generated heat is diffused to the surface of the heating pipe and then transferred to the wall of the heating cylinder, so as to achieve the heating purpose. In other embodiments not shown, the heating element 31 may also be a heating wire or a heating plate.

As shown in fig. 1-3, the top of the drying cylinder 2 is provided with an air outlet 23, a filter screen 24 is arranged at the air outlet 23, water vapor can be evaporated during heating and drying, the water vapor rises and is discharged from the air outlet 23, and the filter screen 24 can prevent the calcium carbonate powder from being discharged along with air, so that the drying efficiency is further improved.

As shown in fig. 1, a driving cylinder 6 for driving the heating cylinder 3 to rotate is arranged on the frame 1, a cylinder body of the driving cylinder 6 is hinged on the frame 1, an air rod of the driving cylinder 6 is rotatably connected with the heating cylinder 3, the heating cylinder 3 can be driven to rotate relative to the frame 1 when the air rod of the driving cylinder 6 stretches out or retracts, after drying is finished, the driving cylinder 6 pushes the heating cylinder 3 to rotate, the drying cylinder 2 is enabled to topple over, the baffle 22 is opened, and calcium carbonate after drying is finished can be poured out. Specifically, the frame 1 is provided with a mounting seat 11, the heating cylinder 3 is provided with a corresponding mounting block 32, the mounting seat 11 is fixedly provided with a pin shaft 33, and the mounting block 32 is rotatably connected with the pin shaft 33, so that the heating cylinder 3 can rotate relative to the frame 1.

The working flow of the utility model is as follows: the heating element 31 is opened to preheat so that the temperature in the drying cylinder 2 reaches the specified requirement, the baffle 22 is opened, calcium carbonate to be dried is poured into the drying cylinder 2, then the baffle 22 is closed, the driving motor 44 is started, the driving motor 44 drives the rotating shaft 41 to rotate, the stirring blade 43 fixedly arranged on the rotating shaft 41 and the crushing roller 42 rotate along with the rotating shaft, the stirring blade 43 turns over the calcium carbonate, the calcium carbonate impacts the crushing roller 42 in the process of turning over the calcium carbonate by the stirring blade 43, and the crushing knife on the crushing roller 42 breaks up the agglomerated calcium carbonate, so that the drying effect is further improved; meanwhile, the vibration assembly 5 is started, the vibration motor 52 drives the vibration plate 51 to vibrate, so that calcium carbonate falling on the vibration plate 51 is vibrated to be loosened, the material turning effect of the material turning mechanism 4 is improved, and the phenomenon that the calcium carbonate is accumulated on the vibration plate 51 in a large amount to influence the drying of calcium carbonate at the bottom is avoided; after the drying is finished, the cylinder 6 is driven to drive the heating cylinder 3 to rotate, so that the drying cylinder 2 is toppled over, the baffle 22 is opened, and the dried calcium carbonate can be poured out.

The technical problems, technical solutions and advantageous effects solved by the present utility model have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. The utility model provides a drying mechanism for calcium carbonate production, includes frame (1) and dry section of thick bamboo (2), its characterized in that: be equipped with in the drying cylinder (2) and be used for right calcium carbonate in the drying cylinder (2) turns stirring mechanism (4), stirring mechanism (4) are including crisscross crushing roller (42) and stirring leaf (43) that set up, the bottom of drying cylinder (2) is equipped with vibration subassembly (5), just vibration subassembly (5) are located the below of stirring mechanism (4), vibration subassembly (5) include vibrating plate (51), utilize vibration of vibrating plate (51) makes and piles up the calcium carbonate of vibrating plate (51) loose, and then makes stirring mechanism (4) can turn calcium carbonate well, still be equipped with on frame (1) and be used for drying cylinder (2) provide thermal heating cylinder (3), heating cylinder (3) rotationally install in frame (1), just heating cylinder (3) are fixed to be overlapped and are established in the outside of drying cylinder (2).

2. The drying mechanism for calcium carbonate production according to claim 1, wherein: the stirring mechanism (4) comprises a rotating shaft (41) axially arranged in the drying cylinder (2) along the drying cylinder (2), the rotating shaft (41) is rotatable relative to the drying cylinder (2), and stirring blades (43) and the crushing rollers (42) are all arranged on the rotating shaft (41) in a surrounding mode.

3. A drying mechanism for calcium carbonate production according to claim 2, wherein: the material turning mechanism (4) further comprises a driving motor (44) which is arranged on the drying cylinder (2) and used for driving the rotating shaft (41) to rotate, the driving motor (44) is fixedly arranged at the top of the drying cylinder (2), and an output shaft of the driving motor (44) penetrates through the cylinder wall of the drying cylinder (2) to extend into the drying cylinder (2) and is fixedly connected with the rotating shaft (41).

4. The drying mechanism for calcium carbonate production according to claim 1, wherein: the vibration assembly (5) further comprises a vibration motor (52) for providing power for the vibration plate (51), the vibration plate (51) is of a plate-shaped structure matched with the cylinder body of the drying cylinder (2), and the vibration motor (52) is fixedly installed at the bottom of the vibration plate (51).

5. The drying mechanism for calcium carbonate production according to claim 1, wherein: the wall of the heating cylinder (3) is internally and circularly paved with heating pieces (31), so that the drying cylinder (2) positioned in the heating cylinder (3) can be heated uniformly.

6. The drying mechanism for calcium carbonate production according to claim 1, wherein: the heating device is characterized in that an installation seat (11) is arranged on the frame (1), an installation block (32) corresponding to the installation seat (11) is arranged on the heating cylinder (3), a pin shaft (33) is fixedly arranged on the installation seat (11), and the installation block (32) is rotatably connected with the pin shaft (33) so that the heating cylinder (3) can rotate relative to the frame (1).

7. The drying mechanism for calcium carbonate production according to claim 1, wherein: be equipped with on frame (1) and be used for the drive heating cylinder (3) pivoted actuating cylinder (6), the cylinder body of actuating cylinder (6) articulates on frame (1), the gas pole of actuating cylinder (6) with heating cylinder (3) rotationally are connected, make when the gas pole of actuating cylinder (6) stretches out or withdraws can drive heating cylinder (3) relative frame (1) takes place to rotate.

8. The drying mechanism for calcium carbonate production according to claim 1, wherein: the top of the drying cylinder (2) is provided with an opening (21), a baffle (22) capable of being opened and closed is arranged at the opening (21), and the baffle (22) is used for closing or opening the drying cylinder (2).

9. The drying mechanism for calcium carbonate production according to claim 1, wherein: an air outlet (23) is formed in the top of the drying cylinder (2), and a filter screen (24) is arranged at the air outlet (23).